Why is UNIQLO so high quality?

Could you elaborate on what factors contribute to the exceptional quality of UNIQLO's products? Are their materials sourced from reputable suppliers? Do they employ stringent quality control measures during production? How does UNIQLO ensure that their garments not only look good but also feel comfortable and durable for consumers? Is there a specific philosophy or design approach that UNIQLO adheres to in order to maintain such a high standard of quality? I'm genuinely curious about the secrets behind UNIQLO's success in this regard.